GE Makes Once-a-Decade Bet on Big Turbines as Energy Use Surges

A worker checks on a component of an H-class gas turbine at the General Electric Co. Power & Water plant in Greenville, South Carolina.

Photographer: Jason E. Miczek/Bloomberg
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General Electric Co.’s industrial overhaul rests in part on a piece of machinery that’s larger than a Winnebago and weighs as much as a Boeing 747. Now, it just needs to work.

GE plans to deliver its newest gas turbine in July, a decade after the rollout of an earlier model that was hindered by performance issues and sold poorly. The company is investing $2 billion developing the new 433-ton unit, which can churn out enough electricity to power 400,000 homes.